Cryptocurrency Broker API trading system upgrade

Content change of crytpocurrency trading system powered by : ( pls only apply if you EXPERT in the following language , to save us time , no money would be awarded if you cannot deliver the desired function )

Node.js

TypeScript

React

reactstrap

react-chartjs

XXXXXXXX It is code rewriting of already existing system XXXXXX

Trading Logic was implemented

ALL YOU NEED TO DO :

Change to other designated brokers and change various settings.

YOU NEED TO HAVE PROVEN EXPERIENCE of working the following cryptocurrency broker API (both websocket & RESTapi ):

Bitfinex , Kraken , Quoinex , Poloneix

Please show your work , you will be ignored without uploading releveant work done

26 freelancer đang chào giá trung bình $25989 cho công việc này

Hi, thanks for posting a job, I've read the project description and would like to take the crypto Broker API project. We're very confident to complete the API upgrade in a timely manner & deliver you as a solution to yThêm

How are you ?
My name is Bryan Valencia.
I am full stack developer and have great experience for 5+ years.
Also, I have a passion for working on project and I am faithful.
I am fully committed to producing qualitThêm

Dear Client,
In my 11+ years as a full stack developer, I have successfully delivered numerous web solutions to my clients. I am confident I can do this project for you.
I also have experience with crypto currencThêm

Hi,
I am a blockchain developer having an expertise in various domains of blockchain development. I have skills, technical knowledge and rich experience of working on wide varieties of Blockchain projects and I am aThêm

Hello
I have more than 4 years of experience with web design & developing responsive websites in HTML, PHP & wordpress. I have read the description of your project and as per your instructions I can develop this webThêm

To Whom It May Concern:
I am an expert in Node.js, TypeScript, React development with 15+ years of experience and good track records.
I am interested in your projects and I believe I can deliver rich features of Thêm

Hello.
Thanks for reviewing my proposal.
I already made cryptocoin auto trading program on window.
Here is the project done by me.
https://www.freelancer.com/projects/software-architecture/Project-for-Hongbo/
Thêm

Hi,
We are specialists in creating most dynamic and decentralized cryptography Block chain apps that could be used to digitally sign sensitive information, develop smart contracts and escrow services, tokenization aThêm

Hello,
Thank you very much for sharing your requirement to upgrade a Cryptocurrency Broker API trading system. I have read the brief project description and I fully meetup technology stack requirements of the projecThêm

Here is a Senior Blockchain, Bitcoin, Ethereum Expert
I have developed several sites of ICO, Exchange, trading
And I am also very familiar with hard fork or clone of bitcoin, monero, altcoins
And also various kinds Thêm